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Results tagged with arduino-uno
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user 42134
The Arduino Uno is the most common of the Arduino boards. It is based on the ATmega328P microcontroller.
1
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1
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Arduino controlled relay for certain duration of time
I am using a relay on my Arduino Uno and i want it to be on LOW for a calculated interval of time, let's say ftime=7 seconds, and after that i need it to be set as HIGH (no power through relay). My co …
1
vote
1
answer
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Update button state in Blynk app through the code
I'm using Blynk along with a WeMos D1 R2 and i can change modes through an ON/OFF button.
I can succesfully change mode and make my application go from mode 1 (irrigation) to mode 2 (Fertilization), …
2
votes
0
answers
594
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Soil moisture sensor problem
I'm having a problem trying to run a bunch of code, using an "if" state which uses a variable which should get a value from a soil moisture sensor.
I'm using the sensor digitally, so it should just s …
0
votes
1
answer
607
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Problem with action that should happen in loop(continuously)
I’m using WeMos D1 R2 and latest Blynk library and app. I am also using Arduino IDE 1.6.13. I am trying to read a button from the app, which works fine, but i want to read it continuously. Through the …
4
votes
1
answer
14k
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Arduino Uno R3 to Wemos D1 R2 project migration - Pinout problems
So i've chosen to purchase a Wemos D1 R2 board in order that my old Arduino Uno R3 projects can get some new IoT features. However, even if my code is working in Uno perfectly, i want to test it using …